0=-3x+2what is the answer cuz the on the thing i found was 0.

The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%

In angle pqr find the measure of

If abcde is reflected over the x-axis and then translated 3 units left, what are the new coordinates d? are he re